CN106592560B - Hydraulic bolt lifting device - Google Patents
Hydraulic bolt lifting device Download PDFInfo
- Publication number
- CN106592560B CN106592560B CN201610929422.6A CN201610929422A CN106592560B CN 106592560 B CN106592560 B CN 106592560B CN 201610929422 A CN201610929422 A CN 201610929422A CN 106592560 B CN106592560 B CN 106592560B
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- China
- Prior art keywords
- spud leg
- sliding yoke
- oil cylinder
- sliding
- plane
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Classifications
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B17/00—Artificial islands mounted on piles or like supports, e.g. platforms on raisable legs or offshore constructions; Construction methods therefor
- E02B17/04—Equipment specially adapted for raising, lowering, or immobilising the working platform relative to the supporting construction
- E02B17/08—Equipment specially adapted for raising, lowering, or immobilising the working platform relative to the supporting construction for raising or lowering
- E02B17/0809—Equipment specially adapted for raising, lowering, or immobilising the working platform relative to the supporting construction for raising or lowering the equipment being hydraulically actuated
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Other Liquid Machine Or Engine Such As Wave Power Use (AREA)
Abstract
The invention discloses a kind of hydraulic bolt lifting devices, belong to marine engineering equipment field.The spud leg activity of the device passes through wedge bracket, multiple row pin hole is provided on spud leg, ring beam includes multiple sliding yokes, the plugging pin oil cylinder being provided in the middle part of each sliding yoke in pluggable pin hole, the both ends of each lift cylinder are connect with sliding yoke and wedge bracket respectively, lift cylinder there are two being symmetrically installed in the two sides of plugging pin oil cylinder on each sliding yoke, plane locating for the central axis of two lift cylinders on each sliding yoke is the first plane, the cross section of plugging pin oil cylinder locating for the point that plugging pin oil cylinder on each sliding yoke is in contact with corresponding pin hole is the second plane, second plane is generally aligned in the same plane with first plane.The present invention can be in the case where the sliding yoke of identical weight, and bigger load can be born by sliding yoke.
Description
Technical field
The present invention relates to marine engineering equipment field, in particular to a kind of hydraulic bolt lifting device.
Background technique
Self-elevating ocean platform is a kind of tooling with elevating function being widely used in ocean engineering, passes through liter
The lifting of falling unit realization platform.
Currently, the lifting device of the self-elevating ocean platform of mainstream includes hydraulic bolt lifting device and rack-and-pinion lifting
Two kinds of device, the former is high compared to bearing capacity compared to the latter and cost is relatively low, and the latter is faster compared to the former lifting speed.Though
The structure type of right hydraulic bolt lifting device is had nothing in common with each other, but lifting principle is similar, mainly passes through vertical direction
The plugging pin oil cylinder of lift cylinder and horizontal direction cooperates, and realizes the OQ t of spud leg and platform.
In the implementation of the present invention, the inventor finds that the existing technology has at least the following problems:
In hydraulic bolt lifting device in the prior art, multiple lift cylinders and multiple bolts are usually provided on ring beam
Oil cylinder, every two lift cylinder and a plugging pin oil cylinder are one group of latch assembly, and two lift cylinders are usually symmetricly set on
The two sides of the central axis of one plugging pin oil cylinder are provided on spud leg and are matched with the telescopic end of plugging pin oil cylinder to limit ring beam in stake
The pin hole moved on leg.Present hydraulic bolt lifting device is in arrangement, in every group of plugging pin oil cylinder, two lift cylinders
Plane locating for central axis is the first plane, the cross of plugging pin oil cylinder locating for the point that plugging pin oil cylinder is in contact with corresponding pin hole
Section is the second plane, usually there is certain relative distance between the first plane and the second plane, also, with lifting load
Increase, lift cylinder section becomes larger, which can further increase, and the increase of relative distance can directly result in lifting dress
It sets and needs to bear very big additional torque, the construction weight of lifting device is caused constantly to increase.
Summary of the invention
In order in the prior art because between the first plane and the second plane there are certain relative distance caused by lifting device
The problem of being subjected to additional torque, the embodiment of the invention provides a kind of hydraulic bolt lifting devices.The technical solution is as follows:
A kind of hydraulic bolt lifting device of the embodiment of the present invention, is suitable for self-elevating ocean platform, and described device includes
Spud leg, wedge bracket, ring beam, lift cylinder, plugging pin oil cylinder, the spud leg pass through the wedge bracket in a manner of being axially movable and set
It sets, which is characterized in that the outer peripheral surface of the spud leg is provided with the protrusion that multiple row extends along the spud leg length direction, described in each column
Length direction in protrusion along the protrusion is provided with a column pin hole;The ring beam includes multiple sliding yokes, the sliding yoke
It is arranged in a one-to-one correspondence with the protrusion, is respectively mounted that there are two the lift cylinder and one to insert with described on each sliding yoke
The plugging pin oil cylinder that pin hole matches, the middle part of the corresponding sliding yoke is arranged in the plugging pin oil cylinder, each described to mention
The both ends of oil-lifting jar are connected with the corresponding sliding yoke and the wedge bracket respectively, described in two on each sliding yoke
Lift cylinder is symmetrically mounted on the two sides for being located at the plugging pin oil cylinder on the same sliding yoke with it, each sliding
Plane locating for the central axis of two lift cylinders on yoke is the first plane, the bolt on each sliding yoke
The cross section of plugging pin oil cylinder locating for the point that oil cylinder is in contact with the corresponding pin hole is the second plane, second plane
It is generally aligned in the same plane with first plane;
Protrusion described in each column includes two carrying gussets and a connecting rib, and described two carrying gussets are along the stake
Leg length direction is oppositely arranged, and a side of described two carrying gussets is fixed on the outer wall of the spud leg, described two to hold
Another side for carrying gusset is connected by the connecting rib, and the two sides of the connecting rib protrude from the carrying muscle
Plate, pin hole described in each column are provided with the middle part of corresponding each connecting rib;
The sliding yoke is towards guide pad is equipped on the side of the spud leg, and there are two guiding for the guide pad setting
Slot, the two sides of the connecting rib of the protrusion corresponding with the sliding yoke are slided respectively is plugged in described two lead
Into slot;
The guide pad is removably mounted on the sliding yoke towards on the side of the spud leg, the table of the guide pad
Surface hardness is less than the surface hardness of the connecting rib.
Further, outer peripheral surface equiangularly spaced setting of multiple sliding yokes along the spud leg.
Further, multiple sliding yokes are separated from each other setting.
Further, the both ends of each sliding yoke are provided with the first mounting hole towards the spud leg, Mei Gesuo
It states and is provided with connection key seat in the first mounting hole, be mounted on connecting pin, each connecting pin in each connection key seat
The sliding yoke is protruded to correspond and connect towards the side of the spud leg, each connecting pin and each lift cylinder
It connects.
Further, it is provided with the second mounting hole towards the spud leg in the middle part of each sliding yoke, described second
Socket is provided in mounting hole, the fixing end of the plugging pin oil cylinder is mounted in the socket.
Further, the wedge bracket includes top plate, coaming plate and bottom plate, and the top plate and the bottom plate pass through the coaming plate
Connection, the top plate and the bottom plate are passed through by the spud leg activity.
Technical solution provided in an embodiment of the present invention has the benefit that
The hydraulic bolt lifting device of the embodiment of the present invention, since wedge bracket therein is used for and the fixed company of ocean platform
It connects, spud leg passes through wedge bracket in a manner of being axially movable, and the outer peripheral surface of spud leg is provided with multiple row and arranges along spud leg length direction
Protrusion, the length direction in each column protrusion along protrusion is provided with a column pin hole;And ring beam includes multiple sliding yokes, slides yoke
It is arranged in a one-to-one correspondence with protrusion, is respectively mounted that there are two lift cylinder and one for matching with pin hole on each sliding yoke
Plugging pin oil cylinder, plugging pin oil cylinder be arranged in it is corresponding sliding yoke middle part, the both ends of each lift cylinder respectively with corresponding sliding
Yoke and wedge bracket connection, can thus be cooperated by lift cylinder and plugging pin oil cylinder, realize spud leg and ocean platform
OQ t.
In addition, due also to two lift cylinders on each sliding yoke are symmetrically mounted on the plugging pin oil cylinder on each sliding yoke
Two sides, plane locating for the central axis of two lift cylinders on each sliding yoke is the first plane, on each sliding yoke
The cross section of plugging pin oil cylinder locating for the point that plugging pin oil cylinder is in contact with corresponding pin hole is the second plane, the second plane and institute
It states the first plane to be generally aligned in the same plane, this arrangement form can make ocean platform to each sliding yoke from heavy load and spud leg
The sustained load that sliding yoke provides will not be made to slide yoke generation deflection, to avoid the formation of torque, in the sliding of identical weight
In the case where yoke, sliding yoke can bear bigger load.
Detailed description of the invention
To describe the technical solutions in the embodiments of the present invention more clearly, make required in being described below to embodiment
Attached drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the invention, for
For those of ordinary skill in the art, without creative efforts, it can also be obtained according to these attached drawings other
Attached drawing.
Fig. 1 is a kind of structural schematic diagram of hydraulic bolt lifting device provided in an embodiment of the present invention;
Fig. 2 is the diagrammatic cross-section in Fig. 1 along A-A;
Fig. 3 is the arrangement schematic diagram of guidance set in the embodiment of the present invention;
Fig. 4 is the scheme of installation of the guide plate of guidance set in the embodiment of the present invention;
Fig. 5 is the arrangement schematic diagram of pin hole in the embodiment of the present invention.
Specific embodiment
To make the object, technical solutions and advantages of the present invention clearer, below in conjunction with attached drawing to embodiment party of the present invention
Formula is described in further detail.
The embodiment of the invention provides a kind of hydraulic bolt lifting devices, are suitable for self-elevating ocean platform.
Fig. 1 is a kind of structural schematic diagram of hydraulic bolt lifting device provided in an embodiment of the present invention, and Fig. 2 is edge in Fig. 1
The diagrammatic cross-section of A-A, referring to Fig. 1 and Fig. 2, which includes spud leg 1, wedge bracket 2, ring beam, promotes oil
Cylinder 4, plugging pin oil cylinder 5, wherein for being fixedly connected with ocean platform, spud leg 1 is passed through solid wedge bracket 2 in a manner of being axially movable
Pile frame 1 is arranged, and the outer peripheral surface of spud leg 1 is provided with the protrusion that multiple row extends along 1 length direction of spud leg, along raised in each column protrusion
Length direction is provided with a column pin hole 6;And ring beam includes multiple sliding yokes 3, be respectively mounted on each sliding yoke 3 there are two promoted
The middle part of corresponding sliding yoke 3 is arranged in oil cylinder 4 and a plugging pin oil cylinder 5 matched with pin hole 6, plugging pin oil cylinder 5, each
The both ends of lift cylinder 4 are connected with corresponding sliding yoke 3 and wedge bracket 2 respectively, two lift cylinders 4 on each sliding yoke 3
It is symmetrically mounted on the two sides of the plugging pin oil cylinder 5 on each sliding yoke 3, the central axis of two lift cylinders 4 on each sliding yoke 3
Locating plane is the first plane f1, locating for the point that each plugging pin oil cylinder 5 slided on yoke 3 is in contact with corresponding pin hole 6
Plugging pin oil cylinder 5 cross section be the second plane f2, the second plane f2 and the first plane f1 be generally aligned in the same plane (i.e. the second plane
F2 and the first plane f1 distance a=0).
The hydraulic bolt lifting device of the embodiment of the present invention, since wedge bracket therein is used for and the fixed company of ocean platform
It connects, spud leg passes through wedge bracket in a manner of being axially movable, and the outer peripheral surface of spud leg is provided with multiple row and extends along spud leg length direction
Protrusion, the length direction in each column protrusion along protrusion is provided with a column pin hole;And ring beam includes multiple sliding yokes, slides yoke
It is arranged in a one-to-one correspondence with protrusion, is respectively mounted that there are two lift cylinder and one for matching with pin hole on each sliding yoke
Plugging pin oil cylinder, plugging pin oil cylinder be arranged in it is corresponding sliding yoke middle part, the both ends of each lift cylinder respectively with corresponding sliding
Yoke and wedge bracket connection, can thus be cooperated by lift cylinder and plugging pin oil cylinder, realize spud leg and ocean platform
OQ t.
In addition, due also to two lift cylinders on each sliding yoke are symmetrically mounted on the plugging pin oil cylinder on each sliding yoke
Two sides, plane locating for the central axis of two lift cylinders on each sliding yoke is the first plane, on each sliding yoke
The cross section of plugging pin oil cylinder locating for the point that plugging pin oil cylinder is in contact with corresponding pin hole is the second plane, this arrangement form
Ocean platform can be made not make to slide yoke to the sustained load for providing sliding yoke from heavy load and spud leg of each sliding yoke
Deflection is generated, to avoid the formation of torque, in the case where the sliding yoke of identical weight, sliding yoke can bear bigger load
Lotus.
In the embodiment of the present invention, multiple sliding yokes 3 are separated from each other and along the equiangularly spaced settings of the outer peripheral surface of spud leg 1,
In the lifting process of ocean platform, the relative altitude that can permit each sliding yoke 3 is inconsistent, this characteristic can reduce spud leg 1
On pin hole 6 the accuracy of manufacture, save the cost.
In the embodiment of the present invention, the first mounting hole towards spud leg 1 is can be set in the both ends of each sliding yoke 3, often
It is provided with connection key seat 301 in a first mounting hole, is mounted on connecting pin 302, each connecting pin in each connection key seat 301
302 protrusion sliding yokes 3 are corresponded towards the side of spud leg 1, each connecting pin 302 with each lift cylinder 4, each connection
Pin 302 connects one to one with each lift cylinder 4.
The telescopic end of the lift cylinder 4 of the embodiment of the present invention can rotatably be connected by the first suspending head 401 with connecting pin 302
It connects, and the fixing end of lift cylinder 4 can be rotatably connected by the second suspending head 402 with wedge bracket 1.
In the embodiment of the present invention, the second mounting hole towards spud leg, the second peace is can be set in each 3 middle part of sliding yoke
Dress is provided with socket 303 in hole, and the fixing end of plugging pin oil cylinder 5 is mounted in socket 303, and the telescopic end of plugging pin oil cylinder 5 can
It is inserted into pin hole 6, when in the telescopic end of plugging pin oil cylinder 5 insertion pin hole 6, the outer wall of the telescopic end of plugging pin oil cylinder 5 can be with
Pin hole 6 has a point being in contact.
Fig. 3 is the arrangement schematic diagram of guidance set in the embodiment of the present invention, in conjunction in Fig. 3 embodiment of the present invention, each cunning
A guidance set 7 can be set between dynamic yoke 3 and spud leg 1, so that sliding yoke 3 can only be moved along the length direction of spud leg 1
It is dynamic.
Each guidance set 7 of the embodiment of the present invention may each comprise a protrusion and a guide pad 703.
Fig. 4 is the scheme of installation of the guide plate of guidance set in the embodiment of the present invention, and in conjunction with Fig. 3 and Fig. 4, the present invention is real
The protrusion applied in example includes two carrying gussets 701 and a connecting rib 702, and two carrying gussets 701 are along 1 length of spud leg
Direction is oppositely arranged, and one end of two carrying gussets 702 is fixed on the outer wall of spud leg 1, the other end of two carrying gussets 701
It is connected by connecting rib 702, the two sides of connecting rib 702 protrude from carrying gusset 701, and such protrusion is formed one
A π type structure.
Fig. 3 and Fig. 4 is recombined, the guide pad 703 of the embodiment of the present invention is mounted on sliding yoke 3 towards the side of spud leg 1
On, there are two guide grooves 704 for the setting of guide pad 703, and the two sides of connecting rib 702 are slided be plugged in guide pad 703 respectively
In guide groove 704.
The effect of the guidance set 7 of the embodiment of the present invention is: when wedge bracket 2 is moved along 1 length direction of spud leg, connection
The two sides of gusset 702 are moved in the guide groove 704 of guide pad 703, and sliding yoke 3 can be constrained on spud leg 1, make to slide
Yoke 3 only can cannot be controlled or be moved forward and backward with oscilaltion campaign.
The guidance set 7 of the embodiment of the present invention is avoided due to being arranged between sliding yoke 3 and spud leg 1 to sliding
The guiding mechanism of yoke 3 is arranged in inside wedge bracket 2, has reasonably saved the space inside wedge bracket 2.
Since connecting rib 702 protrudes the outer surface of spud leg 1, each column pin hole 6 can be made to be arranged in each connection
The distance between yoke 3 and 1 ontology of spud leg are slided to expand in the middle part of gusset 702, generate when avoiding sliding yoke 3 mobile with spud leg 1
Interference.
In the case where ensuring a=0, the distance c on surface of the adjustable carrying gusset 701 to spud leg 1, as long as guaranteeing to mention
The distance between the surface of oil-lifting jar 4 and spud leg 1 b is not less than 100mm.
Fig. 5 is the arrangement schematic diagram of pin hole in the embodiment of the present invention, in conjunction with Fig. 5, due to the lifting under the arrangement form
The plugging pin oil cylinder 5 for being device can be bigger, and therefore, the pitch-row d of each column pin hole need to be not less than 2000mm.
The carrying gusset 701 of the embodiment of the present invention can be mounted on by welding on the outer surface of spud leg 1, and be connected
Connecing gusset 702 can be fixedly connected with two carrying gussets 701 by welding.
In addition, after due to being inserted at the pin hole 6 at the middle part of connecting rib 702 by plugging pin oil cylinder, connecting rib 702, two
The outer surface of a carrying gusset 701 and spud leg 1 can form an enclosure space, avoid the appearance of carrying gusset 701 and spud leg 1
The attachment weld in face is by seawater corrosion.
The sliding yoke 3 of the embodiment of the present invention can be equipped with a side plate 304 towards the side of spud leg, and guide pad 703 is logical
Screw 305 is crossed to be detachably arranged on the side plate 304.
Guide pad 703 in the embodiment of the present invention can be made of two mounting blocks, and two mounting blocks are separately mounted to insert
The two sides of oil cylinder 5 are sold, guide groove 704 is arranged in mounting hole towards on the side of plugging pin oil cylinder 5, to avoid mounting blocks and promotes oil
Cylinder 4 interferes.
In addition, the surface hardness of the guide pad 703 of guidance set need to be less than connecting rib 702 in the embodiment of the present invention
Surface hardness, when the end of connecting rib 702 is moved in the guide groove 704 of guide pad 703, the two can rub, due to
The surface hardness of guide pad 703 need to be less than the surface hardness of connecting rib 702, and therefore, meeting preferential wear surface hardness is lower
Guide pad 703, since guide pad 703 can be with dismounting and change, it is thus possible to increase the service life of device.
Further, the wedge bracket 2 of the embodiment of the present invention includes top plate 201, coaming plate 202 and bottom plate 203,201 He of top plate
Bottom plate 203 is connected by coaming plate 202, and top plate 201 and bottom plate 203 are passed through by spud leg activity, and such wedge bracket can form one
A only vertically communicated hemi-closure space, can prevent the internal component of outer bound pair wedge bracket 2 from corroding to a certain extent, increase
The service life of feeder apparatus.
The section of the spud leg 1 of the embodiment of the present invention can be circle, or other shapes such as rectangular, regular polygon
Shape.
The working principle of the hydraulic bolt lifting device of the embodiment of the present invention are as follows:
Spud leg 1 is fixed, and the plugging pin oil cylinder on each sliding yoke is inserted into corresponding pin hole, realizes sliding yoke and spud leg
Locking, the telescopic end elongation of lift cylinder, makes wedge bracket that ocean platform be driven to rise along spud leg;
Wedge bracket drive ocean platform along spud leg rise to subscribe stroke after, fix ocean platform, on each sliding yoke
Plugging pin oil cylinder extracted from corresponding pin hole, realize the separation of sliding yoke and spud leg, the telescopic end of lift cylinder retracts, makes
Each sliding yoke rises along spud leg;
Each sliding yoke repeats aforesaid operations, completes the rising of ocean platform after spud leg rising in place;
The decline of ocean platform and the rising principle of ocean platform are similar, and the embodiment of the present invention does not repeat them here this.
The foregoing is merely presently preferred embodiments of the present invention, is not intended to limit the invention, it is all in spirit of the invention and
Within principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (6)
1. a kind of hydraulic bolt lifting device, be suitable for self-elevating ocean platform, described device include spud leg, wedge bracket, ring beam,
Lift cylinder, plugging pin oil cylinder, the spud leg pass through the wedge bracket in a manner of being axially movable and are arranged, which is characterized in that institute
The outer peripheral surface for stating spud leg is provided with the protrusion that multiple row extends along the spud leg length direction, along the protrusion in protrusion described in each column
Length direction be provided with a column pin hole;The ring beam includes multiple sliding yokes, the sliding yoke and described raised a pair
Should be arranged, be respectively mounted on each sliding yoke there are two the lift cylinder and one matched with the pin hole it is described
The middle part of the corresponding sliding yoke, the both ends difference of each lift cylinder is arranged in plugging pin oil cylinder, the plugging pin oil cylinder
It is connected with the corresponding sliding yoke and the wedge bracket, two lift cylinders on each sliding yoke are symmetrically installed
Two promotions in the two sides for the plugging pin oil cylinder being located on the same sliding yoke with it, on each sliding yoke
Plane locating for the central axis of oil cylinder is the first plane, the plugging pin oil cylinder on each sliding yoke with it is corresponding described slotting
The cross section of plugging pin oil cylinder locating for the point that pin hole is in contact is the second plane, and second plane is located at first plane
Same plane;
Protrusion described in each column includes two carrying gussets and a connecting rib, and described two carrying gussets are long along the spud leg
Degree direction is oppositely arranged, and a side of described two carrying gussets is fixed on the outer wall of the spud leg, described two carrying muscle
Another side of plate is connected by the connecting rib, and the two sides of the connecting rib protrude from the carrying gusset, often
Arrange the middle part that the pin hole is provided with corresponding each connecting rib;
The sliding yoke towards being equipped with guide pad on the side of the spud leg, the guide pad setting there are two guide groove, with
The two sides of the connecting rib for sliding the corresponding protrusion of yoke are slided respectively is plugged in described two guide grooves
In;
The guide pad is removably mounted on the sliding yoke towards on the side of the spud leg, and the surface of the guide pad is hard
Degree is less than the surface hardness of the connecting rib.
2. hydraulic bolt lifting device according to claim 1, which is characterized in that multiple sliding yokes are along the spud leg
The equiangularly spaced setting of circumferencial direction.
3. hydraulic bolt lifting device according to claim 2, which is characterized in that multiple sliding yokes, which are separated from each other, to be set
It sets.
4. hydraulic bolt lifting device according to claim 1-3, which is characterized in that each sliding yoke
Both ends are provided with the first mounting hole towards the spud leg, are provided with connection key seat in each first mounting hole, each
Connecting pin is mounted in the connection key seat, each connecting pin protrudes the sliding yoke towards the side of the spud leg
Face, each connecting pin connect one to one with each lift cylinder.
5. hydraulic bolt lifting device according to claim 1-3, which is characterized in that in each sliding yoke
Portion is provided with the second mounting hole towards the spud leg, and socket, the plugging pin oil cylinder are provided in second mounting hole
Fixing end be mounted in the socket.
6. hydraulic bolt lifting device according to claim 1-3, which is characterized in that the wedge bracket includes top
Plate, coaming plate and bottom plate, the top plate and the bottom plate are connected by the coaming plate, and the top plate and the bottom plate are by the stake
Leg activity passes through.
Priority Applications (1)
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CN201610929422.6A CN106592560B (en) | 2016-10-31 | 2016-10-31 | Hydraulic bolt lifting device |
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CN201610929422.6A CN106592560B (en) | 2016-10-31 | 2016-10-31 | Hydraulic bolt lifting device |
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CN106592560B true CN106592560B (en) | 2019-02-12 |
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Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
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CN107386244B (en) | 2017-08-17 | 2019-03-19 | 西伯瀚(上海)海洋装备科技有限公司 | Truss-like hydraulic bolt lifting device |
CN108385643A (en) * | 2018-03-16 | 2018-08-10 | 上海船舶研究设计院(中国船舶工业集团公司第六0四研究院) | A kind of lifting platform hydraulic bolt formula spud leg |
CN110481723B (en) * | 2019-08-12 | 2020-10-30 | 中国科学院电工研究所 | Automatic lifting and locking device and method for offshore floating platform |
CN114673128B (en) * | 2022-03-31 | 2024-06-04 | 武汉船用机械有限责任公司 | Continuous truss hydraulic bolt lifting system |
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JP2015037925A (en) * | 2013-07-18 | 2015-02-26 | 半蔵 門脇 | Self-elevating working barge |
CN104372780A (en) * | 2014-11-03 | 2015-02-25 | 上海航盛船舶设计有限公司 | Continuous lifting mechanism of self-elevating platform |
CN105672236A (en) * | 2016-04-14 | 2016-06-15 | 上海尚鉴机械工程有限公司 | Pin type rapid lifting mechanism and lifting method thereof |
CN105804038B (en) * | 2016-05-16 | 2018-06-12 | 西伯瀚(上海)海洋装备科技有限公司 | A kind of continuous lifting gear of double-layer movable ring beam hydraulic bolt formula cylinder spud leg |
CN105862699B (en) * | 2016-06-13 | 2017-05-10 | 广东精铟海洋工程股份有限公司 | Pin type continuous lifting system for offshore platform and lifting method thereof |
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